Input

Input

Point-to-Point connection to a HART field device or

Point-to-Point connection to a 4 ... 20 mA field device or

up to four HART field devices with external power supply which are integrated using the multidrop method

Communication

HART communication using multidrop method, 4 ... 20 mA power signal with Point-to-Point connection

Protocol

HART V7 (compatible with previous HART versions)

Transfer rate

1200 bits/s using HART multidrop method

Output

Communication

WirelessHART V7

Transfer rate

Nominal 250 kBits/s

Transmission frequency band

2.4 GHZ (ISM band)

Range (under reference conditions)

Outside areas up to 250 m, within buildings up to 50 m

RF signal strength

Can be configured: 0 dBm and 10 dBm

Output signals

• WirelessHART Adapter

Measured voltage and up to three other variables may be selected from the following: adapter temperature, battery voltage, energy consumed, expected battery service life

• 4 ... 20 mA field device

Scaled or linearized process values

• HART field device

up to four process variables, can be configured via PDM or gateway

Measuring accuracy (as per reference conditions IEC 61298-2)

Max. measuring error (4 ... 20 mA circuit)

0.125 % re: measuring range

Effect of ambient temperature (4 ... 20 mA circuit)

5 µA/0°K

Rated conditions

Location

Outside/Inside

Ambient conditions

• Ambient temperature

-40 ... +80 °C (-40 ... +176 °F)

The capacity of the battery decreases rapidly if ambient temperature falls flow -30 °C.

• Storage temperature

-40 ... +85 °C (-40 ... +185 °F) without batteries

< 21 °C with batteries

• Relative humidity

Max 90 % at 25 °C (non-condensating)

• Resistance to vibration

20 ? f ? 2000 Hz: 0.01 g?/Hz as per IEC 68-2-64

• Shock resistance

15 g, 11 ms as per IEC 68-2-27

Electromagnetic compatibility

As per EN 61326, EN 301 489-1/17 and NAMUR NE 21

Design

Weight

0.5 kg without battery, 0.75 kg with battery

Enclosure

• Material

Polyester (PBT FR)

• Cable entry

2x M20x1.5

Degree of protection

IP65, IP66; NEMA 4

Aerial

Omnidirectional dipolar aerial, vertical rotation

Mounting adapter

M20x1.5 on M20x1.5, M20x1.5 on G?, M20x1.5 on ? - 14 NPT, M20x1.5 on ? - 14 NPT

Auxiliary power

Battery

Lithium thionylchlorid high-performance battery unit

Power supply

5 V DC ... 7.2 V DC

Capacity

19 AH at 20 °C

Service life

5 ... 7 years, depending on update rate, connected field device and ambient conditions

Field device voltage supply (not in multidrop mode)

• No-load voltage

8 ... 23 V DC

• Current

4 … 20mA (in accordance with NAMUR Recommendation NE 43)

• Fault current (not with multidrop)

I ? 3.6 mA or I ? 21 mA

• Protection

Short-circuit proof, activated at voltages > 25 mA

Voltage supply for one or more field devices (in multidrop mode)

• Power

< 30 V direct current

• Current

< 25 mA

Certificates and approvals

Wireless communication approvals

ETSI (R&TTE)

FCC Part 15.247 for wireless applications in the 2.4 GHz transmission frequency band

EN 300 328